# import circle as c
# print(c.get_area(5))
# result = round(c.get_len(5), 1)
# print(result)

# from circle import get_area, get_len
# print(get_area(5))
# print(get_len(5))

# import sys
# print(sys.path)
# import sys
# sys.path.append('../demo01_module')
# # print(sys.path)
# import demo01_a
# print(demo01_a.num)




